Kev tu ntawm excavator lim caij

Cov khoom lim dej ua lub luag haujlwm hauv kev lim dej impurities hauv cov roj lossis roj hluav taws xob, tiv thaiv lawv los ntawm kev nkag mus rau hauv lub cev thiab ua rau muaj qhov tsis zoo; Ntau yam lim ntsiab yuav tsum tau hloov tsis tu ncua raws li qhov yuav tsum tau ua ntawm kev ua haujlwm thiab kev saib xyuas phau ntawv; Thaum hloov cov lim lim, nws yuav tsum tau kuaj xyuas seb puas muaj cov khoom siv hlau txuas nrog cov khoom lim qub. Yog tias pom muaj cov khoom hlau, yuav tsum tau kuaj xyuas raws sijhawm thiab ntsuas kev txhim kho; Siv cov khoom lim ntshiab uas ua raws li cov cai ntawm lub tshuab. Lub peev xwm lim dej ntawm cov khoom cuav thiab cov lim lim tsis zoo yog qhov tsis zoo, thiab qhov zoo ntawm cov lim txheej thiab cov ntaub ntawv tsis ua raws li qhov yuav tsum tau ua, uas yuav cuam tshuam rau kev siv lub tshuab ib txwm muaj.